/*****************************************************************
 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 ****************************************************************/
package org.epiphron.convert;

import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
import java.net.URLEncoder;
import java.util.logging.Level;

class IdFieldTypeWrapper extends TypeWrapper {

	private Field idfield;
	
	public IdFieldTypeWrapper(Class<?> c, String uriPrefix, Field f) {
		super(c, uriPrefix);
		idfield = f;
		idfield.setAccessible(true);
	}

	@Override
	public String id(Object bean) {
		Object result=null;
		try {
			if (! idfield.isAccessible() ) {
				idfield.setAccessible(true);
			}
			result = idfield.get(bean);
		} catch (Exception e) {
			ConversionUtil.LOGGER.log(Level.WARNING, "Error retrieving id field value.", e);
			return null;
		}
		return result.toString();
	}

	
	@Override
	public String uri(String id) {
		return  typeUri() + '/' + urlencode(id);
	}

	private String urlencode(String id) {
		try {
			return URLEncoder.encode(id, "UTF-8");
		} catch (UnsupportedEncodingException e) {
			throw new RuntimeException(e);
		}
	}

}
